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Abstract #2355

Crusher coil lipid suppression for volumetric 1H echo-planar spectroscopic imaging of the human brain at 7 Tesla

Karim Snoussi1,2, Joseph S. Gillen1,2, Michael Schär1,2, Vincent O. Boer3, Richard A.E. Edden1,2, and Peter B. Barker1,2

1Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, United States, 2Kennedy Krieger Institute, Baltimore, MD, United States, 3Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands

Suppression of extra cranial lipid signals is a significant challenge for MR spectroscopy at high field. This study describes the use of a crusher coil in a volumetric proton echo-planar spectroscopic imaging (EPSI) sequence for 7T. It is shown in vivo that the application of the crusher coil improves the spin-echo 7T EPSI sequence and allows to record high quality spectroscopic imaging data with extended 3D coverage and low RF power deposition.

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